Unit 4 Section A Grammar focus-4c 知识点2023-2024学年人教版八年级英语下册

Unit 4 Section A Grammar focus-43c 状语从句 until引导的时间状语从句 until作连词，意为“直到”，引导时间状语从句。 主句是肯定句时，其谓语用延续性动词，强调主句的动作或状态一直持续到从句的动作发生时为止，译成“直到……为止”。 I'll stay here until you come back.  主句是否定句时，其谓语用非延续性动词，强调主句的动作在从句的动作发生之后才开始，一般译成“直到……才……”。 We can't get off the bus until it stops.We didn't start our discussion until he arrived. 拓展延伸 so that引导的目的状语从句 so that意为“为了，以便”，引导目的状语从句，相当于in order that，从句中多含有can, could, may, might等情态动词。 I took a taxi so that I could get there earlier. 拓展延伸：so that还可引导结果状语从句，意为“因此；所以”，此时从句中通常不含情态动词。 The movie was boring so that half of the audience was asleep. although引导的让步状语从句 although意为“尽管；然而”，引导让步状语从句，相当于though。 Although we are neighbors, I don't know them well.  Although she was in poor health, she continued to carry out her duties. 易错警示：although或though不能与but用在同一个句子中，但可以与yet, still同时使用。 Although/Though he was badly ill, he still went to school. 1. My cousin borrows my things without returning them. return v. 归还；回来；返回 return在此处作及物动词，意为“归还”，相当于give sth. back。ruturn sth. to sb. = return sb. sth., 意为“把某物还给某人”。 I'm going to return this book to Tom.=I'm going to return Tom his book. 拓展延伸：return还可用作不及物动词，意为“回来；返回”，相当于come back。 返回某地 return to+地点名词 return+地点副词 Hong Kong returned to motherland on July,1. 1997. 2. You are afraid of speaking in front of people. afraid adj. 害怕；畏惧 afraid在句中一般作表语，不作定语，其主要用法有： be afraid of sb./sth. 害怕某人/某物 ·be afraid of doing sth. 害怕做某事 (强调担心会发生, 但实际未必发生) ·be afraid to do sth. 不敢做某事 (强调不敢去做某事) ·be afraid+ that从句 担心…… 学科网（北京）股份有限公司 $$